/* * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991 * All Rights Reserved * * Permission to use, copy, modify, and distribute this software and * its documentation for any purpose and without fee is hereby granted, * provided that the above copyright notice appears in all copies and * that both the copyright notice and this permission notice appear in * supporting documentation. * * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE. * * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT, * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * */ /* * MkLinux */ /* * POSIX Threads - IEEE 1003.1c */ #ifndef _POSIX_PTHREAD_H #define _POSIX_PTHREAD_H #ifndef __POSIX_LIB__ #include #endif #include #include #include #include #include #include #include /* temporary - need to fix correctly */ #ifndef _POSIX_C_SOURCE #include #endif /* ! _POSIX_C_SOURCE */ /* * These symbols indicate which [optional] features are available * They can be tested at compile time via '#ifdef XXX' * The way to check for pthreads is like so: * #include * #ifdef _POSIX_THREADS * #include * #endif */ /* These will be moved to unistd.h */ /* * Note: These data structures are meant to be opaque. Only enough * structure is exposed to support initializers. * All of the typedefs will be moved to */ #include __BEGIN_DECLS /* * Threads */ /* * Cancel cleanup handler management. Note, since these are implemented as macros, * they *MUST* occur in matched pairs! */ #define pthread_cleanup_push(func, val) \ { \ struct _pthread_handler_rec __handler; \ pthread_t __self = pthread_self(); \ __handler.routine = func; \ __handler.arg = val; \ __handler.next = __self->cleanup_stack; \ __self->cleanup_stack = &__handler; #define pthread_cleanup_pop(execute) \ /* Note: 'handler' must be in this same lexical context! */ \ __self->cleanup_stack = __handler.next; \ if (execute) (__handler.routine)(__handler.arg); \ } /* * Thread attributes */ #define PTHREAD_CREATE_JOINABLE 1 #define PTHREAD_CREATE_DETACHED 2 #define PTHREAD_INHERIT_SCHED 1 #define PTHREAD_EXPLICIT_SCHED 2 #define PTHREAD_CANCEL_ENABLE 0x01 /* Cancel takes place at next cancellation point */ #define PTHREAD_CANCEL_DISABLE 0x00 /* Cancel postponed */ #define PTHREAD_CANCEL_DEFERRED 0x02 /* Cancel waits until cancellation point */ #define PTHREAD_CANCEL_ASYNCHRONOUS 0x00 /* Cancel occurs immediately */ /* We only support PTHREAD_SCOPE_SYSTEM */ #define PTHREAD_SCOPE_SYSTEM 1 #define PTHREAD_SCOPE_PROCESS 2 /* We only support PTHREAD_PROCESS_PRIVATE */ #define PTHREAD_PROCESS_SHARED 1 #define PTHREAD_PROCESS_PRIVATE 2 /* Who defines this? */ #if !defined(ENOTSUP) #define ENOTSUP 89 #endif /* * Mutex protocol attributes */ #define PTHREAD_PRIO_NONE 0 #define PTHREAD_PRIO_INHERIT 1 #define PTHREAD_PRIO_PROTECT 2 /* * Mutex type attributes */ #define PTHREAD_MUTEX_NORMAL 0 #define PTHREAD_MUTEX_ERRORCHECK 1 #define PTHREAD_MUTEX_RECURSIVE 2 #define PTHREAD_MUTEX_DEFAULT PTHREAD_MUTEX_NORMAL /* * Mutex variables */ #define PTHREAD_MUTEX_INITIALIZER {_PTHREAD_MUTEX_SIG_init, {0}} /* * Condition variable attributes */ /* * Condition variables */ #define PTHREAD_COND_INITIALIZER {_PTHREAD_COND_SIG_init, {0}} /* * Initialization control (once) variables */ #define PTHREAD_ONCE_INIT {_PTHREAD_ONCE_SIG_init, {0}} /* * Thread Specific Data - keys */ #include /* * Prototypes for all PTHREAD interfaces */ int pthread_attr_destroy(pthread_attr_t *attr); int pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate); int pthread_attr_getinheritsched(const pthread_attr_t *attr, int *inheritsched); int pthread_attr_getschedparam(const pthread_attr_t *attr, struct sched_param *param); int pthread_attr_getschedpolicy(const pthread_attr_t *attr, int *policy); int pthread_attr_getstackaddr(const pthread_attr_t *attr, void **stackaddr); int pthread_attr_getstacksize(const pthread_attr_t *attr, size_t *stacksize); int pthread_attr_getstack(const pthread_attr_t *attr, void **stackaddr, size_t *stacksize); int pthread_attr_getguardsize(const pthread_attr_t *attr, size_t *guardsize); int pthread_attr_init(pthread_attr_t *attr); int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate); int pthread_attr_setinheritsched(pthread_attr_t *attr, int inheritsched); int pthread_attr_setschedparam(pthread_attr_t *attr, const struct sched_param *param); int pthread_attr_setschedpolicy(pthread_attr_t *attr, int policy); int pthread_attr_setstackaddr(pthread_attr_t *attr, void *stackaddr); int pthread_attr_setstacksize(pthread_attr_t *attr, size_t stacksize); int pthread_attr_setguardsize(pthread_attr_t *attr, size_t guardsize); int pthread_attr_setstack(pthread_attr_t *attr, void *stackaddr, size_t stacksize); int pthread_cancel(pthread_t thread); int pthread_setcancelstate(int state, int *oldstate); int pthread_setcanceltype(int type, int *oldtype); void pthread_testcancel(void); int pthread_cond_broadcast(pthread_cond_t *cond); int pthread_cond_destroy(pthread_cond_t *cond); int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr); int pthread_cond_signal(pthread_cond_t *cond); int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex); int pthread_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *abstime); int pthread_condattr_init(pthread_condattr_t *attr); int pthread_condattr_destroy(pthread_condattr_t *attr); int pthread_condattr_getpshared(const pthread_condattr_t *attr, int *pshared); int pthread_condattr_setpshared(pthread_condattr_t *attr, int pshared); int pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *), void *arg); int pthread_detach(pthread_t thread); int pthread_equal(pthread_t t1, pthread_t t2); void pthread_exit(void *value_ptr) __dead2; int pthread_kill(pthread_t, int); int pthread_sigmask(int, const sigset_t *, sigset_t *); int pthread_getschedparam(pthread_t thread, int *policy, struct sched_param *param); int pthread_join(pthread_t thread, void **value_ptr); int pthread_mutex_destroy(pthread_mutex_t *mutex); int pthread_mutex_getprioceiling(const pthread_mutex_t *mutex, int *prioceiling); int pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr); int pthread_mutex_lock(pthread_mutex_t *mutex); int pthread_mutex_setprioceiling(pthread_mutex_t *mutex, int prioceiling, int *old_prioceiling); int pthread_mutex_trylock(pthread_mutex_t *mutex); int pthread_mutex_unlock(pthread_mutex_t *mutex); int pthread_mutexattr_destroy(pthread_mutexattr_t *attr); int pthread_mutexattr_getprioceiling(const pthread_mutexattr_t *attr, int *prioceiling); int pthread_mutexattr_getprotocol(const pthread_mutexattr_t *attr, int *protocol); int pthread_mutexattr_getpshared(const pthread_mutexattr_t *attr, int *pshared); int pthread_mutexattr_gettype(const pthread_mutexattr_t *attr, int *type); int pthread_mutexattr_init(pthread_mutexattr_t *attr); int pthread_mutexattr_setprioceiling(pthread_mutexattr_t *attr, int prioceiling); int pthread_mutexattr_setprotocol(pthread_mutexattr_t *attr, int protocol); int pthread_mutexattr_settype(pthread_mutexattr_t *attr, int type); int pthread_mutexattr_setpshared(pthread_mutexattr_t *attr, int pshared); int pthread_once(pthread_once_t *once_control, void (*init_routine)(void)); pthread_t pthread_self(void); int pthread_setschedparam(pthread_t thread, int policy, const struct sched_param *param); int pthread_key_create(pthread_key_t *key, void (*destructor)(void *)); int pthread_key_delete(pthread_key_t key); int pthread_setspecific(pthread_key_t key, const void *value); void *pthread_getspecific(pthread_key_t key); int pthread_attr_getscope(pthread_attr_t *, int *); int pthread_attr_setscope(pthread_attr_t *, int); int pthread_getconcurrency(void); int pthread_setconcurrency(int); int pthread_rwlock_destroy(pthread_rwlock_t * rwlock); int pthread_rwlock_init(pthread_rwlock_t * rwlock, const pthread_rwlockattr_t *attr); int pthread_rwlock_rdlock(pthread_rwlock_t *rwlock); int pthread_rwlock_tryrdlock(pthread_rwlock_t *rwlock); int pthread_rwlock_wrlock(pthread_rwlock_t *rwlock); int pthread_rwlock_trywrlock(pthread_rwlock_t *rwlock); int pthread_rwlock_unlock(pthread_rwlock_t *rwlock); int pthread_rwlockattr_init(pthread_rwlockattr_t *attr); int pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr); int pthread_rwlockattr_getpshared(const pthread_rwlockattr_t *attr, int *pshared); int pthread_rwlockattr_setpshared(pthread_rwlockattr_t *attr, int pshared); #ifndef _POSIX_C_SOURCE /* returns non-zero if pthread_create or cthread_fork have been called */ int pthread_is_threaded_np(void); /* returns non-zero if the current thread is the main thread */ int pthread_main_np(void); /* return the mach thread bound to the pthread */ mach_port_t pthread_mach_thread_np(pthread_t); size_t pthread_get_stacksize_np(pthread_t); void * pthread_get_stackaddr_np(pthread_t); /* Like pthread_cond_signal(), but only wake up the specified pthread */ int pthread_cond_signal_thread_np(pthread_cond_t *, pthread_t); /* Like pthread_cond_timedwait, but use a relative timeout */ int pthread_cond_timedwait_relative_np(pthread_cond_t *cond, pthread_mutex_t *mutex, const struct timespec *reltime); /* Like pthread_create(), but leaves the thread suspended */ int pthread_create_suspended_np(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *), void *arg); void pthread_yield_np(void); #endif /* ! _POSIX_C_SOURCE */ __END_DECLS #endif /* _POSIX_PTHREAD_H */